nth_channel_deref_fn Struct Template Reference#include <image_view_factory.hpp>
Detailed Descriptiontemplate<typename SrcP>
Function object that returns a grayscale reference of the N-th channel of a given reference.
| |||||||||||||||||||||||||||||||
Public Types | |
|
typedef nth_channel_deref_fn< const_ref_t > | const_t |
|
typedef pixel< channel_t, gray_t > | value_type |
|
typedef pixel_reference_type< channel_t, gray_t, false, false >::type | const_reference |
| typedef SrcP | argument_type |
|
typedef boost::mpl::if_c< is_mutable, ref_t, value_type >::type | reference |
| typedef reference | result_type |
Public Member Functions | |
| BOOST_STATIC_CONSTANT (bool, is_mutable=is_pixel_reference< SrcP >::value &&pixel_reference_is_mutable< SrcP >::value) | |
| nth_channel_deref_fn (int n=0) | |
| template<typename P> | |
| nth_channel_deref_fn (const nth_channel_deref_fn< P > &d) | |
| result_type | operator() (argument_type srcP) const |
Public Attributes | |
| int | _n |